| Buckles | (english) Appeaars like a series of waves and are created during rolling as a result of mechanical misalignment or cross-section irregularities in supply coil. |
| Buff | (english) To polish A smooth finish of high luster with a cloth or fabric wheel to which a compund has been added |
| Build Up Coil | (english) A coil made by putting together two or more coils to make one max coil or one shippable coil. |
| Builtup Plate | (english) "A pattern plate of suitable material, with the cope pattern mounted on or attached to one side; the drag pattern may be attached to the other side or to a separate mounting. See Matchplate " |
| Bull Gear | (english) The large crank gear of a shaper. |
| Bundle | (english) Specific number of sheets which equals 1 unit of production. Number is determined by multiplying sheets/Packages/BUNDLE. For example, an order calls for 112 sheets/package. According to the maximum height allowed for a lift. Therefore, multiplying 15 packages X 112 sheets 3D 1680 sheets/bundle. |
| Burn | (english) 1) Process of cutting metal by a stream of fuel and oxygen, 2) to permanently damage a metal or alloy by heating to cause either incipient melting or intergranular oxidation. |
| Burn-On-Sand | (english) Sand adhering to the surface of the casting that is extremely difficult to remove. |
| Burn-Out | (english) Firing a mold at a high temperature to remove pattern material residue. |
| Burning | (english) (1) Permanently damaging a metal or alloy by heating to cause either incipient melting or intergranular oxidation. (2) In grinding getting the work hot enough to cause discoloration or to change the microstructure by tempering or hardening. |